Mmeghachi omume Ọgwụ

Gịnị bụ rim

Rim bụ a ọhụrụ usoro ụzọ na-amị nnukwu size na nnukwu ibu ngwaahịa ngwa ngwa. Rim usoro monomer ma ọ bụ tupu-polima (Pu ihe) na mmiri mmiri ala na a ụfọdụ hà, nke tụrụ site metering mgbapụta Ịgwakọta na agwakọta isi nke a ebu. Mgbe ngwakọta ga-agbara ndi mmadu n'ime ebu n'okpuru a ala nsogbu / ụlọ okpomọkụ na gburugburu ebe obibi, ọ ga-ngwa ngwa omume na cross-ejikọ bụla.. Mgbe iri nkeji, ọ ga-sikwuo ike, wee hapụ ya si ebu, na akụkụ bụ rim ngwaahịa. Usoro a nwere ike mfe dị ka: nchekwa, mmesho, ngwakọ, ebu ndochi na ime, demould na post-nhazi.

The usoro nke Mmeghachi omume Ọgwụ na ịkpụzi

1) Nchekwa
abụọ raw mmiri mmiri na ihe onwunwe na-eji na-apụta usoro e echekwara abụọ esite na ụfọdụ okpomọkụ, na-esite bụ ọtụtụ ndị na-mgbali arịa. Na ịkpụzi, stoste emekarị na 0,2 ~ 0.3 MPa ala nsogbu na-esite, na-ekesa mgbe niile na-esite, okpomọkụ exchangers na agwakọta isi. Ma polyurethane, nkezi okpomọkụ nke stoste bụ 20 ~ 40 ℃, na okpomọkụ akara ziri ezi bụ ± 1 ℃.
2)Measurement
Measurement will be finished by the metering pump , and requirements for measuring accuracy is at least be ± 1.5%, and the best control should at ± 1%.
3) Hybrid
In RIM process , product quality is largely depend on the quality of mixture in the mixing head , so does the production capacity . The normal pressure is about 10 Mpa in order to get the better effect .
4) Mold falling
The characteristic of RIM process is the material flow rate is very high .Then stoste’s viscosity can not be very high .Such as the viscosity of polyurethane mixture is about 0.1 Pa s.and flow rate control at 600 g/s in mold falling .
5) Curing.
Polyurethane two-component mixture have very high reactivity after injected in the mold ,so it complete curing in ten more minutes .But plastic’s conductivity is not good , so most heat can not release from a large chemical reaction condition , so that the outside temperature are higher than inside, so the curing development is from inside to outside .
6) Demold 
Demold also means we need release the cured part from the mold , and that part is the RIM product . And more quantity can be produced as the above process .
7) Post-Process 
It is according to customers’requirements . 

Ihe rim

General nkịtị resin: polyurethane resin, vinyl Ester, amide Ester resin, unsaturated resin, epoxy resin na omenala mejupụtara ihe onwunwe, wdg 
Nọmalị ihe: HD-PU4210, DCP-rim, AXSON-rim 875, etc.

PS: bụla. oge nke rim usoro bụ tumadi site na ịkpụzi ihe onwunwe Nwa na ngwaahịa size mkpebi. Ke adianade do, rim ngwaahịa mkpa na-aga na nke abụọ ime mgbe ntọhapụ si ebu. Na dị ka rim usoro bụ ngwa ngwa (15-30 nkeji / mpempe) na elu-nkenke, ọ dabara na-emepụta ọtụtụ buru ibu na nnukwu size na ngwaahịa, na nke nke nnukwu mgbatị akụkụ bụ 2000mmX1200mmX1000mm, maka 10KG.

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